Firmware
DH_SD-Eos_Eng_N_Stream3_V2.420.0000.2.R.20150713.bin
Dahua firmware released Jul 13, 2015. May work with 4 devices, including CA-HZ2030U, CA-HZ2030U1, CA-HZ4030U.
- Released
- Jul 13, 2015
- Version
- V2.420.0000.2.R
- Size
- 19.5 MB
- Hardware
- 4 devices
Download
Permanent copy on the Internet Archive (item page)
- MD5
3c23df865a1cb6535095d206c16d170c- SHA-256
7b0462ab6f2420be18b92b8a4a2a9bc5f6b826147474c84c6d60b44daeb7872c
Where it's published
Available from
Dahua
DahuaFileDirectory
CurrentV2.420.0000.2.R · Listed date Jul 13, 2015
Compatible hardware
Hardware IDs this firmware's installer accepts (4 devices).
Where these IDs come from
- hwid: the device's own hardware check list, 4 IDs
- Install: the installer's device list (board families), 1 ID, vendor General (not counted: a more specific list exists)
- check.img: the device's own hardware check list, 4 IDs
Technical details
Read from inside the firmware (dahua package (zip variant)).
- SoC
- HiSilicon Hi3516A
- Architecture
- arm
- OEM build
- General
- Kernel
- Linux 3.4.35
- Bootloader
- U-Boot 2010.06-svn2689
- Flash
- 126.0 MB
- Image dates
- Jul 13, 2015 to Jun 11, 2017
- Security
- Not signed, not encrypted
- Language & video
- English by default · NTSC
Flash layout: 13 partitions, 8 written by this firmware
From the firmware's partition table (partitionV2.txt).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| U-Boot | 0x200000 | 0x300000 | 1.0 MB | dhboot.bin.img | — | 2015-07-13 |
| hwid | 0x300000 | 0x400000 | 1.0 MB | not written | — | — |
| updateflag | 0x400000 | 0x500000 | 1.0 MB | not written | — | — |
| partition(ro) | 0x500000 | 0x600000 | 1.0 MB | partition-x.cramfs.img | cramfs | 2015-07-13 |
| custom(ro) | 0x600000 | 0x980000 | 3.5 MB | custom-x.squashfs.img | squashfs | 2015-07-13 |
| product(ro) | 0x980000 | 0xd00000 | 3.5 MB | pd-x.squashfs.img | squashfs | 2015-07-13 |
| Kernel | 0xd00000 | 0x1200000 | 5.0 MB | kernel.img | — | 2015-07-13 |
| romfs(ro) | 0x1200000 | 0x1a00000 | 8.0 MB | romfs-x.squashfs.img | squashfs | 2017-03-10 |
| web(ro) | 0x1a00000 | 0x2200000 | 8.0 MB | web-x.squashfs.img | squashfs | 2015-07-13 |
| user(ro) | 0x2200000 | 0x3b80000 | 25.5 MB | user-x.squashfs.img | squashfs | 2017-06-11 |
| syslog | 0x7200000 | 0x7600000 | 4.0 MB | not written | ubi | — |
| config | 0x7600000 | 0x7a00000 | 4.0 MB | not written | ubi | — |
| backup | 0x7a00000 | 0x7e00000 | 4.0 MB | not written | ubi | — |
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